PERBANDINGAN KINERJA MEDIA BIOFILTER ANAEROBIC BIOFILTER DALAM PENURUNAN TSS, BOD, COD PADA GREY WATER

Arlini Dyah Radityaningrum, Maritha Nilam Kusuma

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ABSTRAK

 

Limbah domestik air bekas cucian (grey water) dari rumah tangga sebagian besar belum diolah, namun dibuang langsung ke badan air penerima. Konsentrasi bahan organik dalam grey water yang terakumulasi dalam badan air penerima berpotensi terhadap pencemaran dan penurunan kualitas badan air penerima. Pengolahan grey water dapat meningkatkan kualitas badan air penerima. Satu dari pengolahan grey water adalah anaerobic biofilter. Penelitian ini bertujuan untuk (i). menentukan efisiensi penurunan Total Suspended Solid (TSS), Biogeochemical Oxygen Demand (BOD) dan Chemical Oxygen Demand (COD) dalam grey water dengan pengolahan anaerobic biofilter, (ii). mengidentifikasi jenis media biofilter dalam anaerobic biofilter yang menghasilkan penurunan TSS, BOD, COD paling baik. Penelitian ini dilakukan dalam skala laboratorium dengan reaktor kontinyu. Variasi yang digunakan adalah jenis media biofilter dalam anaerobic biofilter, yaitu botol yakult dari bahan plastik Poly Stirene (PS) dan botol aqua dari bahan plastik Poly Ethylene Terephthalate (PET). Hasil penelitian menunjukkan bahwa efisiensi penurunan TSS, BOD, COD efluen grey water dengan pengolahan anaerobic biofilter adalah 68%, 64% dan 31% untuk jenis media biofilter botol yakult dan 84%, 79%, 57% untuk media biofilter botol aqua. Jenis media biofilter botol aqua menghasilkan efisiensi penurunan TSS, BOD dan COD lebih baik dari jenis media biofilter botol yakult.

 

Kata kunci: grey water, anaerobic biofilter, BOD, TSS, COD.

 

ABSTRACT

 

Grey water from several households has not been treated yet and is directly disposed to receiving water bodies. Organic matter of the grey water accumulated to the water bodies is potential to the water pollution, leading to deterioration of the water bodies. Grey water treatment improves the quality of the receiving water bodies. The treatment is able to conduct through anaerobic biofilter. This research aimed to (i) determined the efficiency of TSS, BOD, COD removal from grey water treatment using anaerobic biofilter, (ii) identified the media of biofilter with the best performance removing TSS, BOD, COD. This research was conducted within laboratory scale based using continuous reactor. The plastic derived from Poly Stirene (PS) and Poly Ethylene Terephthalate (PET) were used as media of biofilter. The result showed that the removal efficiency of TSS, BOD, COD from the anaerobic biofilter was 68%, 64% and 31% for media of PS plastic and 84%, 79%, 57% for media of PET plastic. The media of PET plastic resulted to the best performace of TSS, BOD, COD removal compared to the media of PS plastic.

 

Keywords: grey water, anaerobic biofilter, BOD, TSS, COD.


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Referensi


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DOI: http://dx.doi.org/10.20527/jukung.v3i2.4024

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